Piemontite and Gahnospinel Physical Properties

Piemontite

Gahnospinel

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.65-4.55

1 7.18

1.5 Fracture

Uneven, Splintery

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

[001] good, [100] distinct

None, but may exhibit slight parting

1.7 Mohs Hardness

6-6.57.5-8

2 10

1.8 Chemical Composition

Not Available

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Piemontite and Gahnospinel Chemical Formula

While comparing Piemontite and Gahnospinel physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Piemontite and Gahnospinel chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Piemontite and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Piemontite and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Piemontite and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Piemontite is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.